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You've never seen smog this bad before

By Louise Watt, The Associated Press

Updated:
10/21/2013 06:42:51 PM EDT

You've never seen smog this bad before

Kyodo News/APVisibility shrank to less than half a football field and small-particle pollution soared to a record 40 times higher than an international safety standard in one northern Chinese city as the region entered its high-smog season.The manager for U.S. jazz singer Patti Austin, meanwhile, said the singer had canceled a concert in Beijing because of an asthma attack likely linked to pollution.(AFP/Getty Images)Winter typically brings the worst air pollution to northern China because of a combination of weather conditions ...